QuizMaster is a simple VoIP application written in Java, supports voice conversations with multiple users, and basic compression with comfort noise. It can be used to split up teams and play a game of Quizzo.
Multiplaform, Java SE 7
Start server on desired network with desired Port (must have port forwarding enabled on router!) Connect client to server with IP and Port. A username is auto-generated. Change it if you like. Create a team or join an already existing one.